2021 LEXUS LS500 parking sensors

2954-5. Using the driving support systems
4
Driving
●When a detected vehicle turns while
approaching the vehicle
●When a vehicle passes by the side of your
vehicle
●When the distance between your vehicle
and metal objects, such as a guardrail,
wall, sign, or parked vehicle, which may
reflect electrical waves toward the rear of
the vehicle, is short
●When there are spinning objects near
your vehicle such as the fan of an air con-
ditioning unit
●When water is splashed or sprayed
toward the rear bumper, such as from a
sprinkler
■Situations in which the Parking Support
Brake function (rear-crossing vehicles)
may not operate properly
In some situations, such as the following, the
radar sensors may not detect an object and
this function may not operate properly
●Stationary objects
●When a sensor or the area around a sen-
sor is extremely hot or cold
●If the rear bumper is covered with ice,
snow, dirt, etc.
●When it is raining he avily or water strikes
the vehicle
●If the vehicle is significantly tilted
●When equipment that may obstruct a
sensor is installed, such as a towing eye-
let, bumper protector (an additional trim
strip, etc.), bicycle carrier, or snow plow
●If the suspension has been modified or
tires of a size othe r than specified are
installed
●If the front of the vehicle is raised or low-
ered due to the carried load
●If an electronic component, such as a
backlit license plate (especially fluores-
cent type), fog lights, fender pole or wire-
less antenna is installed near a radar
sensor
●If the orientation of a radar sensor has
been changed
●When multiple vehicl es are approaching
with only a small gap between each vehi-
cle
●If a vehicle is approaching the rear of
your vehicle rapidly
●Situations in which the radar sensor may
not detect a vehicle
• When a vehicle approaches from the right or left at the rear of the vehicle while
you are turning while backing up
• When turning while backing up

4337-2. Steps to take in an emergency
7
When trouble arises
■Parking brake indicator (warning buzzer)
■Brake hold operated indicator (warning buzzer)
■Warning buzzer
In some cases, the bu zzer may not be heard
due to being in a noisy location or audio
sound.
■Front passenger detection sensor, seat
belt reminder and warning buzzer
●If luggage is placed on the front passen-
ger seat, the front passenger detection
sensor may cause th e warning light to
flash and the warning buzzer to sound
even if a passenger is not sitting in the
seat.
●If a cushion is placed on the seat, the sen-
sor may not detect a passenger, and the
warning light may not operate properly.
■SRS warning light
This warning light system monitors the air-
bag sensor assembly, Pop Up Hood com-
puter assembly, front impact sensors, side
impact sensors (front door), side impact
sensors (front), side impact sensors (rear),
driver’s seat position sensor, driver’s seat
belt buckle switch, front passenger occu-
pant classification system (ECU and sen-
sors), rear seat belt buckle switches (if
equipped), “AIR BAG ON” indicator light, “AIR BAG OFF” indicator light, front pas-
senger’s seat belt buckle switch, seat belt
pretensioners, airbags, interconnecting wir-
ing and power sources. (
P.29)
■If the malfunction indicator lamp comes
on while driving
First check the following:
●Is the fuel tank empty?
If it is, fill the fuel tank immediately.
●Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving
trips.
If the light does not go off even after several
trips, contact your Lexus dealer as soon as
possible.
■Electric power steering system warning
light (warning buzzer)
When the battery charge becomes insuffi-
cient or the voltage temporarily drops, the
electric power steering system warning
light may come on and the warning buzzer
may sound.
Warning lightDetails/Actions
(flashes) (U.S.A.)
or
(flashes)
(Canada)
Indicates a malfunction in the parking brake system
 Have the vehicle inspected by your Lexus dealer immediately.
Warning lightDetails/Actions
(flashes)
Indicates a malfunction in the brake hold system
Have the vehicle inspected by your Lexus dealer immediately.

514Alphabetical Index
Settings .............................................................. 87
Suggestion function.....................................88
Tire pressure ................................................395
Units .................................................................... 86
Warning message..................................... 436
N
Navigation system-linked display... 86, 89
Noise from under vehicle ...............................6
O
“ODO TRIP” switch ................................76, 81
Odometer ...................................................76, 81
Odometer and trip meter displayDisplay items ............................................ 76, 81
“ODO TRIP” switch ............................. 76, 81
Pop-up display........................................ 77, 81
Oil Engine oil .......................................................458
Front differential oil ...................................460
Rear differential oil ......................................461
Opener Fuel filler door..............................................200
Hood................................................................. 381
Trunk ................................................................. 108
Outer foot lights Location..........................................................340
Outside door handle lights...................... 340
Outside rear view mirrors Adjustment....................................................... 151
BSM (Blind Spot Monitor) ................... 264
Folding ..............................................................152
Linked mirror functi on when reversing
............................................................................ 151
Mirror position memory...........................133
Outside rear view mirror defoggers324
RCTA function .............................................277
Outside temperature............................ 75, 78
Overheating .................................................. 449
P
Paddle shift switches ......................... 182, 183
Panic mode ..................................................... 100
Panoramic moon roof Jam protection function ........................... 160
Operation ....................................................... 158
Parking assist sensors (intuitive parking assist) ..............................................................272
Parking brake Operation ....................................................... 186
Parking brake engaged warning buzzer........................................................................... 187
Warning light ...............................................433
Warning message ...................................... 187
Parking lights Light switch .................................................... 190
Replacing light bulbs ................................. 416
Parking Support Brake function (for rear-crossing vehicles) .......................... 293Function ..........................................................293
Parking Support Brake function (rear pedestrians) ................................................ 296Function ..........................................................296
Parking Support Brake function (static objects) .........................................................288Function ......................................................... 288
PCS (Pre-Collision System) Function ................................................ 215, 227
PCS OFF switch ........................................230
Warning light ............................................... 432
Personal lights............................................... 340
PKSA (Parking Support Alert) ................ 271
PKSB (Parking Support Brake)............. 284 Warning message ........................ 287, 288
Pop Up Hood....................................................37
Power easy access system ........................133
Power outlets ................................................ 354
Power rear seat ..............................................128
Power steering (Elect ric power steering
system) .......................................................... 304 Warning light .............................................. 430